Aminaphtone API from Mexico
Aminaphtone is a pyrazole derivative used for capillary fragility treatment in vascular disorders. Features 4-amino-3-methyl-1-phenylpyrazol-5-one structure qualifying under HTS 2933.19.4500. Pharmaceutical grade for tablet manufacturing.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include vascular drug clinical trial data and bioavailability studies in import dossier
• Verify phenylpyrazolone identity via melting point (157-160°C) and TLC profiling
• Declare as human drug to access .4500; research chemical status shifts classification